CVE-2026-17011EPSS p0.8%

CVE-2026-17011CVE-2026-17011

Description

The Nexter Blocks WordPress plugin before 5.0.2 does not restrict who can save global CSS through one of its REST endpoints, allowing users with at least the Contributor role to store arbitrary CSS that is rendered site-wide on the front end, enabling defacement, content hiding, and UI redressing.

Scoring

CVSS 3.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
EPSS0.10% probability of exploitation · percentile 0.8% · 2026-08-11T12:00:17Z
Last modified2026-08-11
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.